Revert "Revert "Fix infinite loop when insert from CSV file on Windows""

source/os/src/osFile.c

@@ -1403,7 +1403,7 @@ int64_t taosGetLineFile(TdFilePtr pFile, char **__restrict ptrBuf) {
   }
 
   (*ptrBuf)[totalBytesRead] = '\0';
-  ret = totalBytesRead;
+  ret = (totalBytesRead > 0 ? totalBytesRead : -1); // -1 means EOF
 #else
   size_t len = 0;
   ret = getline(ptrBuf, &len, pFile->fp);

tests/parallel_test/cases.task

@@ -443,6 +443,7 @@
 ,,y,system-test,./pytest.sh python3 ./test.py -f 1-insert/InsertFuturets.py
 ,,y,system-test,./pytest.sh python3 ./test.py -f 1-insert/insert_wide_column.py
 ,,y,system-test,./pytest.sh python3 ./test.py -f 1-insert/insert_column_value.py
+,,y,system-test,./pytest.sh python3 ./test.py -f 1-insert/insert_from_csv.py
 ,,y,system-test,./pytest.sh python3 ./test.py -f 1-insert/rowlength64k_benchmark.py
 ,,y,system-test,./pytest.sh python3 ./test.py -f 1-insert/rowlength64k.py
 ,,y,system-test,./pytest.sh python3 ./test.py -f 1-insert/rowlength64k.py -R

tests/system-test/1-insert/insert_from_csv.py

@@ -0,0 +1,47 @@
+import taos
+import sys
+import datetime
+import inspect
+import random
+from util.dnodes import TDDnode
+from util.dnodes import tdDnodes
+
+from util.log import *
+from util.sql import *
+from util.cases import *
+
+class TDTestCase:
+    def init(self, conn, logSql, replicaVar=1):
+        self.replicaVar = int(replicaVar)
+        tdLog.debug(f"start to excute {__file__}")
+        tdSql.init(conn.cursor(), True)
+
+        self.testcasePath = os.path.split(__file__)[0]
+        self.testcasePath = self.testcasePath.replace('\\', '//')
+        self.database = "test_insert_csv_db"
+        self.table = "test_insert_csv_tbl"
+
+    def insert_from_csv(self):
+        tdSql.execute(f"drop database if exists {self.database}")
+        tdSql.execute(f"create database {self.database}")
+        tdSql.execute(f"use {self.database}")
+        tdSql.execute(f"create table {self.table} (ts timestamp, c1 nchar(16), c2 double, c3 int)")
+        tdSql.execute(f"insert into {self.table} file '{self.testcasePath}//test_insert_from_csv.csv'")
+        tdSql.query(f"select count(*) from {self.table}")
+        tdSql.checkData(0, 0, 5)
+
+    def run(self):
+        tdSql.prepare()
+        
+        startTime_all = time.time() 
+        self.insert_from_csv()
+        endTime_all = time.time()
+        print("total time %ds" % (endTime_all - startTime_all))        
+
+    def stop(self):
+        tdSql.close()
+        tdLog.success("%s successfully executed" % __file__)
+        
+
+tdCases.addWindows(__file__, TDTestCase())
+tdCases.addLinux(__file__, TDTestCase())

tests/system-test/1-insert/test_insert_from_csv.csv

@@ -0,0 +1,5 @@
+'2024-12-13 09:30:00.050','ABCDEF68',24.774736842805263,200
+'2024-12-13 09:30:00.060','ABCDEF68',24.774736842805263,201
+'2024-12-13 09:30:00.080','ABCDEF68',24.774736842805263,202
+'2024-12-13 09:30:00.100','ABCDEF68',24.774736842805263,203
+'2024-12-13 09:30:00.110','ABCDEF68',24.774736842805263,204

tests/system-test/simpletest.bat

@@ -13,6 +13,7 @@ python3 .\test.py -f 0-others\cachemodel.py
 @REM python3 .\test.py -f 0-others\fsync.py
 
 python3 .\test.py -f 1-insert\influxdb_line_taosc_insert.py
+python3 .\test.py -f 1-insert\insert_from_csv.py
 @REM python3 .\test.py -f 1-insert\opentsdb_telnet_line_taosc_insert.py
 @REM python3 .\test.py -f 1-insert\opentsdb_json_taosc_insert.py
 @REM #python3 .\test.py -f 1-insert\test_stmt_muti_insert_query.py